Entry Temas (650)

Number of records used in: 1

001 - CONTROL NUMBER

• control field: 164538

003 - CONTROL NUMBER IDENTIFIER

• control field: OSt

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20250326115826.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 250326|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency: OSt
• Transcribing agency: OSt

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name entry element: Conservación de los recursos naturales -
• Geographic subdivision: México -
• Form subdivision: Congresos

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (OSt)169801: Congreso Mundial Universitario (20 al 24 de Julio de 1987 : México D.F. 164536, Ecologia, realidad y futuro =, [1987?]